www.hyprofiltration.com Plastic Injection Molding Fluid Cleanliness The Problem: A plastic injection molding manufacturer was experiencing frequent equipment failures due to hydraulic fluid contamination. The Solution: A PM-1 particle monitor was used to identify the most contaminated system. This system contained approximately 110 gallons of hydraulic fluid with an ISO cleanliness code of 21/19/14 (photo 1). A competitor’s

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